Compressor



FIG. 1 is an elevational view of a compressor illustrating our new design;

FIG. 2 is a left side elevational view of the device shown in FIG. 1;

FIG. 3 is a right side elevational view of the device shown in FIG. 1;

FIG. 4 is an elevational view of a slightly modified compressor;

FIG. 5 is a left side elevational view of the device shown in FIG. 4; and

FIG. 6 is a right side elevational view of the device shown in FIG. 4. 

The ornamental design for a compressor, substantially as shown and described. 